3rd-party/linux-kernel-module-cheat
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kernel module: format, use tab to indent.

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Reveriel
2018-12-11 09:00:29 +00:00
committed by Ciro Santilli 包子露宪 六四事件 法轮功
parent 9f6ddbc436
commit 3b0a343647
7 changed files with 117 additions and 117 deletions
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52
kernel_modules/character_device_create.c
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@@ -33,42 +33,42 @@ static const struct file_operations fops = {
static void cleanup(int device_created)
{
if (device_created) {
device_destroy(myclass, major);
cdev_del(&mycdev);
}
if (myclass)
class_destroy(myclass);
if (major != -1)
unregister_chrdev_region(major, 1);
if (device_created) {
device_destroy(myclass, major);
cdev_del(&mycdev);
}
if (myclass)
class_destroy(myclass);
if (major != -1)
unregister_chrdev_region(major, 1);
}
static int myinit(void)
{
int device_created = 0;
int device_created = 0;
/* cat /proc/devices */
if (alloc_chrdev_region(&major, 0, 1, NAME "_proc") < 0)
goto error;
/* ls /sys/class */
if ((myclass = class_create(THIS_MODULE, NAME "_sys")) == NULL)
goto error;
/* ls /dev/ */
if (device_create(myclass, NULL, major, NULL, NAME "_dev") == NULL)
goto error;
device_created = 1;
cdev_init(&mycdev, &fops);
if (cdev_add(&mycdev, major, 1) == -1)
goto error;
return 0;
/* cat /proc/devices */
if (alloc_chrdev_region(&major, 0, 1, NAME "_proc") < 0)
goto error;
/* ls /sys/class */
if ((myclass = class_create(THIS_MODULE, NAME "_sys")) == NULL)
goto error;
/* ls /dev/ */
if (device_create(myclass, NULL, major, NULL, NAME "_dev") == NULL)
goto error;
device_created = 1;
cdev_init(&mycdev, &fops);
if (cdev_add(&mycdev, major, 1) == -1)
goto error;
return 0;
error:
cleanup(device_created);
return -1;
cleanup(device_created);
return -1;
}
static void myexit(void)
{
cleanup(1);
cleanup(1);
}
module_init(myinit)